← Back to branch summary

~abentley/bzrtools/bzrtools.dev

« back to all changes in this revision

Viewing changes to patchsource.py

  • Committer: Aaron Bentley
  • Date: 2005-09-20 15:02:04 UTC
  • Revision ID: abentley@panoramicfeedback.com-20050920150204-2abd154eca9213bc
Moved extention lists to dotgraph

Show diffs side-by-side

added added

removed removed

Lines of Context:
patchsource.py
1
 
import re
2
 
 
3
 
from bzrlib import patches
4
 
 
5
 
from bzrlib.plugins.bzrtools import errors
6
 
 
7
 
class PatchSource(object):
8
 
    def __iter__(self):
9
 
        def iterator(obj):
10
 
            for p in obj.read():
11
 
                yield p
12
 
        return iterator(self)
13
 
 
14
 
    def readlines(self):
15
 
        raise NotImplementedError()
16
 
 
17
 
    def readpatches(self):
18
 
        return patches.parse_patches(self.readlines())
19
 
 
20
 
class FilePatchSource(PatchSource):
21
 
    def __init__(self, filename):
22
 
        self.filename = filename
23
 
        PatchSource.__init__(self)
24
 
 
25
 
    def readlines(self):
26
 
        f = open(self.filename, 'r')
27
 
        return f.readlines()
28
 
 
29
 
class BzrPatchSource(PatchSource):
30
 
    def __init__(self, revision=None, file_list=None):
31
 
        from bzrlib.builtins import tree_files
32
 
        self.tree, self.file_list = tree_files(file_list)
33
 
        self.base = self.tree.basedir
34
 
        self.revision = revision
35
 
 
36
 
        # Hacks to cope with v0.7 and v0.8 of bzr
37
 
        if self.revision is None:
38
 
            if hasattr(self.tree, 'basis_tree'):
39
 
                self.old_tree = self.tree.basis_tree()
40
 
            else:
41
 
                self.old_tree = self.tree.branch.basis_tree()
42
 
        else:
43
 
            revision_id = self.revision.in_store(self.tree.branch).rev_id
44
 
            if hasattr(self.tree.branch, 'repository'):
45
 
                self.old_tree = self.tree.branch.repository.revision_tree(revision_id)
46
 
            else:
47
 
                self.old_tree = self.tree.branch.revision_tree(revision_id)
48
 
 
49
 
        PatchSource.__init__(self)
50
 
 
51
 
    def readlines(self):
52
 
        from bzrlib.diff import show_diff_trees
53
 
        from StringIO import StringIO
54
 
        f = StringIO()
55
 
 
56
 
        show_diff_trees(self.old_tree, self.tree, f, self.file_list,
57
 
                        old_label='', new_label='')
58
 
        if re.search('Binary files .* differ', f.getvalue()):
59
 
            raise errors.ChangedBinaryFiles()
60
 
        f.seek(0)
61
 
        return f.readlines()